Initial SpawnSystem fixes

src/Game/Systems/HealthPickupSystem.cpp

@@ -0,0 +1,98 @@
+#include "Systems/HealthPickupSystem.h"
+
+HealthPickupSystem::HealthPickupSystem(SystemParams params)
+    : System(params)
+{
+    EVENT_SUBSCRIBE_MEMBER(m_ETriggerTouch, &HealthPickupSystem::OnTriggerTouch);
+    EVENT_SUBSCRIBE_MEMBER(m_ETriggerLeave, &HealthPickupSystem::OnTriggerLeave);
+}
+
+void HealthPickupSystem::Update(double dt)
+{
+    for (auto it = m_ETriggerTouchVector.begin(); it != m_ETriggerTouchVector.end(); ++it)
+    {
+        auto& healthPickupPosition = *it;
+        //set the double timer value (value 3)
+        healthPickupPosition.DecreaseThisRespawnTimer -= dt;
+        if (healthPickupPosition.DecreaseThisRespawnTimer < 0) {
+            //spawn and delete the vector item
+            auto entityFile = ResourceManager::Load<EntityFile>("Schema/Entities/HealthPickup.xml");
+            EntityFileParser parser(entityFile);
+            EntityID healthPickupID = parser.MergeEntities(m_World);
+
+            //let the world know a pickup has spawned (graphics effects, etc)
+            Events::PickupSpawned ePickupSpawned;
+            ePickupSpawned.Pickup = EntityWrapper(m_World, healthPickupID);
+            m_EventBroker->Publish(ePickupSpawned);
+
+            //set values from the old entity to the new entity
+            auto& newHealthPickupEntity = EntityWrapper(m_World, healthPickupID);
+            newHealthPickupEntity["Transform"]["Position"] = healthPickupPosition.Pos;
+            newHealthPickupEntity["HealthPickup"]["HealthGain"] = healthPickupPosition.HealthGain;
+            newHealthPickupEntity["HealthPickup"]["RespawnTimer"] = healthPickupPosition.RespawnTimer;
+            m_World->SetParent(newHealthPickupEntity.ID, healthPickupPosition.parentID);
+
+            //erase the current element (healthPickupPosition)
+            m_ETriggerTouchVector.erase(it);
+            break;
+        }
+    }
+    //still touching AmmoPickupAtMaxHealthAmmo?
+    for (auto& it = m_PickupAtMaximum.begin(); it != m_PickupAtMaximum.end(); ++it) {
+        if (!it->player.Valid() || !it->pickup.Valid()) {
+            m_PickupAtMaximum.erase(it);
+            break;
+
+        }
+        if ((int)it->player["Health"]["Health"] < (int)it->player["Health"]["MaxHealth"]) {
+            DoPickup(it->player, it->pickup);
+            m_PickupAtMaximum.erase(it);
+            break;
+
+        }
+    }
+}
+
+
+bool HealthPickupSystem::OnTriggerTouch(Events::TriggerTouch& e)
+{
+    if (!e.Trigger.HasComponent("HealthPickup")) {
+        return false;
+    }
+    //cant pick up healthpacks if you are already at MaxHealth
+    if ((double)e.Entity["Health"]["Health"] >= (double)e.Entity["Health"]["MaxHealth"]) {
+        m_PickupAtMaximum.push_back({ e.Entity, e.Trigger });
+        return false;
+    }
+
+    DoPickup(e.Entity, e.Trigger);
+    return true;
+}
+bool HealthPickupSystem::OnTriggerLeave(Events::TriggerLeave& e) {
+    //triggerleave erases possible AmmoPickupAtMaxHealthAmmo
+    for (auto& it = m_PickupAtMaximum.begin(); it != m_PickupAtMaximum.end(); ++it) {
+        if (it->pickup.ID == e.Trigger.ID && it->player.ID == e.Entity.ID) {
+            m_PickupAtMaximum.erase(it);
+            break;
+        }
+    }
+    return true;
+}
+void HealthPickupSystem::DoPickup(EntityWrapper &player, EntityWrapper &trigger) {
+    double healthGiven = 0.01*(double)trigger["HealthPickup"]["HealthGain"] * (double)player["Health"]["MaxHealth"];
+
+    //personEntered = e.Entity, thingEntered = e.Trigger
+    Events::PlayerHealthPickup ePlayerHealthPickup;
+    ePlayerHealthPickup.HealthAmount = healthGiven;
+    ePlayerHealthPickup.Player = player;
+    m_EventBroker->Publish(ePlayerHealthPickup);
+
+    //copy position, healthgain, respawntimer (twice since one of the values will be counted down to 0, the other will be set in the new object)
+    //we need to copy all values since each value can be different for each healthPickup
+    m_ETriggerTouchVector.push_back({ (glm::vec3)trigger["Transform"]["Position"] ,trigger["HealthPickup"]["HealthGain"],
+        trigger["HealthPickup"]["RespawnTimer"],trigger["HealthPickup"]["RespawnTimer"], m_World->GetParent(trigger.ID) });
+
+    //delete the healthpickup
+    m_World->DeleteEntity(trigger.ID);
+}
+